Supplementary back cushion of standing up

The utility model relates to a supplementary back cushion of standing up, include the dependence portion and the extension portion of making by compound surface fabric, dependence portion is inside tohave an airtight cavity, is provided with the business turn over pneumatic valve that is used for connecting the air pump on the surface of dependence portion, dependence portion under normal circumstances with extension portion at the coplanar, dependence portion is under vented condition, it leans on the face and be a plane and just aerifing this planar gradient of in -process and continue to increase the continuous lifting in human back. Use supplementary back cushion of standing up after, when the patient need stand up, connect the air pump through the business turn over pneumatic valve,the air current lasts and gets into the air cavity, the slow steady promotes the patient to the required height that reaches, closes the air pump, realizes standing up of patient, the patient can finely tune through the busine